Pressure-induced superconductor-insulator transition in the spinel compound CuRh2S4
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概要
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We performed resistivity measurements in CuRh2S4 under quasihydrostatic pressure of up to 8.0 GPa, and found a pressure-induced superconductor-insulator transition. Initially, with increasing pressure, the superconducting transition temperature Tc increases from 4.7 K at ambient pressure to 6.4 K at 4.0 GPa, but decreases at higher pressures. With further compression, superconductivity in CuRh2S4 disappears abruptly at a critical pressure PSI between 5.0 and 5.6 GPa, when it becomes an insulator.
- 2003-08-12
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